Date: Wed, 26 Dec 2007 23:30:42 +0100 From: Sverre Svenningsen <ss.alert@online.no> To: Barry Pederson <bp@barryp.org> Cc: freebsd-fs@freebsd.org Subject: Re: ZFS and FAULTED devices (corrupted data), can't make the pool ONLINE again Message-ID: <28DDC893-1432-4F0B-95D4-AA6049CD5FB2@online.no> In-Reply-To: <4772C9EE.8090407@barryp.org> References: <474546F5.2000007@fsn.hu> <20071123183420.GA12811@garage.freebsd.pl> <4772C9EE.8090407@barryp.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Dec 26, 2007, at 22:38 , Barry Pederson wrote: > Pawel Jakub Dawidek wrote: >> On Thu, Nov 22, 2007 at 10:08:05AM +0100, Attila Nagy wrote: >>> Hello, >>> >>> FreeBSD RELENG_7, x86, a terrible disk array, called Promise >>> RM-8000 with 8 disks on an ahc. >>> The pool is a RAIDZ2. >>> Tomorrow the array went crazy (its firmware is a total crap), so I >>> had to reboot both the machine and the disk array. >>> >> You should use: >> # zpool replace people da3 da3 >> but to do it, you need this patch, which was not yet MFCed: >> http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/contrib/opensolaris/uts/common/fs/zfs/vdev.c.diff?r1=1.3;r2=1.4 > > I had a drive in a raidz2 pool fail, and wasn't able to replace it > until rebuilding the kernel (7.0beta3) with the above patch. I'm > just mentioning this as a worksforme kind of thing. > > I'm rebuilding today with RELENG_7_0 and saw that the patch still > applied cleanly, so I'm assuming it's still necessary. I hope it or > something similar gets merged in. Or at least maybe the ZFS wiki > could have a list of recommended patches? > > Barry > Doesn't it work even when doing a "zfs offline people da3" first? I installed a 7.0-beta in a Parallels VM just to torture test the raidz recreation (since my real hardware is running linux+evms right now) and i got the error that the device was in use, until i issued the offline command FIRST and then told it to replace the offlined disk with the same disk. This should probably be emphasized in the zfs crash course documentation :) -Sverre
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?28DDC893-1432-4F0B-95D4-AA6049CD5FB2>